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asteroids

Asteroids make life's raw materials

Earth

Asteroids make life's raw materials

Rocks from an asteroid have been shown to power the synthesis of life's essential chemicals for the first time

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Hobbyist photos used to recreate comet orbit

Space

Hobbyist photos used to recreate comet orbit

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NASA kills off comet hunter

Space

NASA kills off comet hunter

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Found: crater from Deep Impact's comet crash

Space

Found: crater from Deep Impact's comet crash

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Space

Smash rocks to test how planets form

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Probe to survey comet dented by Deep Impact mission

Space

Probe to survey comet dented by Deep Impact mission

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Geminid meteors set to dazzle

Space

Geminid meteors set to dazzle

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Lucky strike gave Earth its gold

Earth

Lucky strike gave Earth its gold

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Space

Space debris may cause mysterious ball lightning

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Comet caught throwing basketball-sized snowballs

Space

Comet caught throwing basketball-sized snowballs

The phenomenon, which has never been seen before, was observed by NASA's Deep Impact probe during a recent flyby of Comet Hartley 2

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Space

Spacecraft is first to bring asteroid dust to Earth

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Earth

Cosmic accidents: Killer asteroid with a silver lining

Features

Space

Solved: mystery of the meteor-shedding asteroid

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Space

Ancient Greeks spotted Halley's comet

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